A heavy or progressive or graduated income tax is necessary for the proper development of Communism.

The materialist doctrine that men are products of circumstances and upbringing, and that, therefore, changed men are products of other circumstances and changed upbrinding, forgets that it is men that change circumstances and that the educator himself needs educating.

Capitalist production, therefore, develops technology, and the combining together of various processes into a social whole, only by sapping the original sources of all wealth - the soil and the labourer.

The bourgeoisie cannot exist without constantly revolutionizing the instruments of production, and thereby the relations of production, and with them the whole relations of society.

Communism is the riddle of history solved, and it knows itself to be this solution.

Go on, get out - last words are for fools who haven't said enough. To his housekeeper, who urged him to tell her his last words so she could write them down for posterity.

Men can see nothing around them that is not their own image; everything speaks to them of themselves. Their very landscape is alive.